Early angioplasty in acute coronary syndromes without persistent ST-segment elevation improves outcome but increases the need for six-month repeat revascularization - An analysis of the PURSUIT trial

被引:24
作者
Ronner, E
Boersma, E
Laarman, GJ
Somsen, GA
Harrington, RA
Deckers, JW
Topol, EJ
Califf, RM
Simoons, ML
机构
[1] Univ Rotterdam Hosp, Rotterdam, Netherlands
[2] Acad Med Ctr, Amsterdam, Netherlands
[3] Duke Clin Res Inst, Durham, NC USA
[4] Cleveland Clin Fdn, Cleveland, OH USA
[5] Onze Lieve Vrouw Hosp, Amsterdam, Netherlands
关键词
D O I
10.1016/S0735-1097(02)01897-1
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
OBJECTIVES We explored the effect of timing of percutaneous coronary intervention (PCI) in acute coronary syndromes (ACS) without persistent ST-segment elevation on the need for repeat revascularization, and we related this effect to other events. BACKGROUND Percutaneous coronary intervention is widely used to treat ACS without persistent ST-segment elevation. Moreover, restenosis and subsequent revascularization after PCI are more frequent in ACS than in stable angina. The optimal timing of PCI in ACS without persistent ST-segment elevation is unknown. METHODS In the Platelet glycoprotein IIb/IIIa in Unstable angina: Receptor Suppression Using Integrilin Therapy (PURSUIT) database, patients were stratified by the time of PCI. In the PURSUIT trial, 9,461 patients received a platelet glycoprotein IIb/IIIa inhibitor, eptifibatide or placebo for 72 h. The investigators decided on other treatments. RESULTS A total of 2,430 patients underwent PCI within 30 days. Repeat revascularization (during 165 days) was notably higher for PCI within 24 h of enrollment (n - 620 [19%]) than for PCI at 24 to 72 h (n = 624 [16.7%]), 3 to 7 days (n = 614 [13.2%]), or 8 to 30 days (n = 561 [7.7%]-; p < 0.001), regardless of eptifibatide use. This gradual reduction in the revascularization rate for later PCI was also observed after multivariate analysis correcting for baseline characteristics and with time as a continuous variable. CONCLUSIONS Percutaneous coronary intervention within 24 is associated with improved outcome (other analysis) but more repeat revascularization. Prospective analyses arc needed to test the hypothesis that rapid PCI in ACS with a platelet glycoprotein IIb/IIIa receptor antagonist reduces myocardial infarction (and possibly death) and is therefore most suited for patients at highest risk of infarction, despite a higher need for repeat revascularization.
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页码:1924 / 1929
页数:6
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